Add follow request banner on account header (#20785)

* Add requested_by to relationship maps

* Display whether an account has requested to follow you on their profile

app/javascript/mastodon/features/account/components/follow_request_note.js

@@ -0,0 +1,37 @@
+import React from 'react';
+import ImmutablePropTypes from 'react-immutable-proptypes';
+import { FormattedMessage } from 'react-intl';
+import ImmutablePureComponent from 'react-immutable-pure-component';
+import Icon from 'mastodon/components/icon';
+
+export default class FollowRequestNote extends ImmutablePureComponent {
+
+  static propTypes = {
+    account: ImmutablePropTypes.map.isRequired,
+  };
+
+  render () {
+    const { account, onAuthorize, onReject } = this.props;
+
+    return (
+      <div className='follow-request-banner'>
+        <div className='follow-request-banner__message'>
+          <FormattedMessage id='account.requested_follow' defaultMessage='{name} has requested to follow you' values={{ name: <bdi><strong dangerouslySetInnerHTML={{ __html: account.get('display_name_html') }} /></bdi> }} />
+        </div>
+
+        <div className='follow-request-banner__action'>
+          <button type='button' className='button button-tertiary button--confirmation' onClick={onAuthorize}>
+            <Icon id='check' fixedWidth />
+            <FormattedMessage id='follow_request.authorize' defaultMessage='Authorize' />
+          </button>
+
+          <button type='button' className='button button-tertiary button--destructive' onClick={onReject}>
+            <Icon id='times' fixedWidth />
+            <FormattedMessage id='follow_request.reject' defaultMessage='Reject' />
+          </button>
+        </div>
+      </div>
+    );
+  }
+
+}

app/javascript/mastodon/features/account/components/header.js

@@ -14,6 +14,7 @@ import ShortNumber from 'mastodon/components/short_number';
 import { NavLink } from 'react-router-dom';
 import DropdownMenuContainer from 'mastodon/containers/dropdown_menu_container';
 import AccountNoteContainer from '../containers/account_note_container';
+import FollowRequestNoteContainer from '../containers/follow_request_note_container';
 import { PERMISSION_MANAGE_USERS } from 'mastodon/permissions';
 import { Helmet } from 'react-helmet';
 
@@ -311,6 +312,8 @@ class Header extends ImmutablePureComponent {
 
     return (
       <div className={classNames('account__header', { inactive: !!account.get('moved') })} onMouseEnter={this.handleMouseEnter} onMouseLeave={this.handleMouseLeave}>
+        {!(suspended || hidden || account.get('moved')) && account.getIn(['relationship', 'requested_by']) && <FollowRequestNoteContainer account={account} />}
+
         <div className='account__header__image'>
           <div className='account__header__info'>
             {!suspended && info}

app/javascript/mastodon/features/account/containers/follow_request_note_container.js

@@ -0,0 +1,15 @@
+import { connect } from 'react-redux';
+import FollowRequestNote from '../components/follow_request_note';
+import { authorizeFollowRequest, rejectFollowRequest } from 'mastodon/actions/accounts';
+
+const mapDispatchToProps = (dispatch, { account }) => ({
+  onAuthorize () {
+    dispatch(authorizeFollowRequest(account.get('id')));
+  },
+
+  onReject () {
+    dispatch(rejectFollowRequest(account.get('id')));
+  },
+});
+
+export default connect(null, mapDispatchToProps)(FollowRequestNote);

app/javascript/mastodon/reducers/relationships.js

@@ -1,3 +1,6 @@
+import {
+  NOTIFICATIONS_UPDATE,
+} from '../actions/notifications';
 import {
   ACCOUNT_FOLLOW_SUCCESS,
   ACCOUNT_FOLLOW_REQUEST,
@@ -12,6 +15,8 @@ import {
   ACCOUNT_PIN_SUCCESS,
   ACCOUNT_UNPIN_SUCCESS,
   RELATIONSHIPS_FETCH_SUCCESS,
+  FOLLOW_REQUEST_AUTHORIZE_SUCCESS,
+  FOLLOW_REQUEST_REJECT_SUCCESS,
 } from '../actions/accounts';
 import {
   DOMAIN_BLOCK_SUCCESS,
@@ -44,6 +49,12 @@ const initialState = ImmutableMap();
 
 export default function relationships(state = initialState, action) {
   switch(action.type) {
+  case FOLLOW_REQUEST_AUTHORIZE_SUCCESS:
+    return state.setIn([action.id, 'followed_by'], true).setIn([action.id, 'requested_by'], false);
+  case FOLLOW_REQUEST_REJECT_SUCCESS:
+    return state.setIn([action.id, 'followed_by'], false).setIn([action.id, 'requested_by'], false);
+  case NOTIFICATIONS_UPDATE:
+    return action.notification.type === 'follow_request' ? state.setIn([action.notification.account.id, 'requested_by'], true) : state;
   case ACCOUNT_FOLLOW_REQUEST:
     return state.getIn([action.id, 'following']) ? state : state.setIn([action.id, action.locked ? 'requested' : 'following'], true);
   case ACCOUNT_FOLLOW_FAIL: